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Haze on Saturn’s horizon
Spectacular recent image from the Cassini spacecraft, now in its Grand Finale year around Saturn, taken from just above Saturn's cloudtops, showing haze on the planet's horizon.
July 25, 2017
Hubble sees Phobos orbiting Mars
This image and video aren't artists' illustrations. They're from a real time-lapse sequence of images - acquired by the Hubble Space Telescope - of the tiny moon Phobos orbiting Mars. Cool!
July 22, 2017
Have you seen the Mayak satellite?
On July 14, an amateur group in Russia launched a small satellite called Mayak. They said it would become the "brightest shooting star" in the sky. Why'd they do it? Here's how to look for it.
July 18, 2017
Soar over Pluto and Charon
To celebrate the 2-year anniversary of New Horizon's flyover of the Pluto system, NASA released these 2 cool videos. Sail over the surface of Pluto and its large moon Charon.
July 17, 2017
Peering toward the Cosmic Dark Ages
During the Cosmic Dark Ages, our universe matured from a primordial soup of neutral gas to the star-filled cosmos we see today. A new study probes this mysterious time.
July 16, 2017
No commands to Mars craft in late July
NASA says to blame the sun for its moratorium on sending commands to Mars from July 22 to August 1.
July 15, 2017
Strange radio signals from nearby star
A 10-minute observation in May of nearby star Ross 128 yielded a peculiar radio signal. Further observations planned for Sunday night.
July 14, 2017
Planet 9 hypothesis alive and well
Is there an unknown, massive planet on the fringes of our solar system? New work that claims to remove "observational bias" also supports this very exciting possibility.
July 14, 2017
Wow! Juno’s super-close Red Spot images
Raw images from the Juno spacecraft's extremely close sweep past Jupiter's Red Spot are beginning to come in. NASA invites you to help process them!
July 12, 2017
Astronomers find the smallest star yet
This star is just a sliver larger than Saturn, not even the largest planet in our solar system. Yet it's massive enough to shine as a star, and its pull of gravity is some 300 times stronger than Earth's.
July 12, 2017
